Finding the Fourth Proportional to 665,213.76, 997,919.36 and 244,456.80
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Solution
The fourth proportional to 665,213.76, 997,919.36 and 244,456.80 is: 366,721.48
Step by Step Solution
- Step 1: Write the proportion equation
665,213.76 : 997,919.36 = 244,456.80 : x - Step 2: Convert to fraction form
665,213.76/997,919.36 = 244,456.80/x - Step 3: Cross multiply
665,213.76x = 997,919.36 × 244,456.80 - Step 4: Simplify right side
665,213.76x = 243,948,173,403.65 - Step 5: Solve for x
x = 243,948,173,403.65/665,213.76 - Step 6: Final answer
x = 366,721.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.